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, fsheefS--shem A. J. STEELE.

Improvement in Electro-Magnetic Medical Apparatus.

' Patented um 20,1571..-

5 winnaars: y

. tecting-case.

UNITED STATES ALBERT J. STEELE, OF BBOOKLYN, NEW YORK.

IMPROVVEMENT IN ELECTRO-MAGNETIC MEDICAL APPARATUS Specification formingpart of Letters Patent No. 116,110, dated June 20, 1871.

To all whom fit may concern:

Be it known that I, ALBERT J. STEELE, of Brooklyn, in the county ofKings and State of New York, have invented'a new and ImprovedElectro-Medical Generator; and I do hereby declare that the following isa full, clear, and exact description thereof, which will enable othersskilled in the art to make and use the same, reference being had to theaccompanying drawing forming part of this specification.

Figure l'represents a vertical section of my improved electro-medicalgenerator taken on the plane of the line oo al', Fig'. 2. Fig. 2 is aplan or top view of the same without the pro- Fig. 3 is a detailsectional view of-the sponge-holder or handle. Fig. 4 is an end view ofthe same. Fig. 5 is a detail side view of part of the outer case,showing-the fastening of the same. Fig. 6 is a detail side View of aspring-snap for fastening the conducting-wires; and Fig. 7, adetailperspective of the elements of the battery.

Similar letters of reference indicate corresponding parts.

This invention relates to several improvements in the arrangement ofelectric apparatus used for generating electrical currents which are tobe applied to invalid and sick persons for healing diseases. Theinvention consists in an improved arrangement of the battery, bindingterminals, and adjustable magnets, and in a novel general combination ofparts, whereby a compact, safe, and portable apparatus is produced', ashereinafter more fully described.

A in the drawing represents a sheet-metal vessel of cylindrical form,open on top. It constitutes the cup of the generator. B is a cover, madeof copper, brass, or other metal, for the cup A. From it is suspendedinto the bath, by isolated bars a a., the block of zinc c. The coppercover forms the positive and the zinc the negative element of thegenerator, rods b c projecting, respectively, therefrom into the upperinstrument. By thus making-the cover of the generator serve as oneelement a considerable amount of room is economized and the generatorgenerally simplified. The cover also closes the bat-h so that its liquidcontents cannot be spilled while conveying the apparatus. A ange, ol, ispreferably affixed to the cover for tting tight against the inner..

side of the cup and closing the bath. The rods or wires b o enter ablock, D, of wood or other non-conducting material,'of cylindrical form,nearly the size of the vessel A. The tubular sockets of bindingterminals e and f, respectively, receive the said rods. Whenever aprimary current is required the cords which are connected with theelectrodes. are tted directly to the binding terminals e and f. -Thepositive rod b, or rather its metallic socket in the block .D, is, by awire, c', connected with av tubular coil of wire, E, which is ttedtransversely into the block D. This coil connects, by a wire, j, withthe electro-magnetic helix F, secured to the upper face of the block D.The negative rod c is, by a wire, k, connected with a post, Z, in whicha horizontal screw, m, is secured. This screw serves to regulate thevibrations of the spring armature G of the electro-magnet and to formelectric contact with said spring, whose post or support fn, is, byanother wire, o, connected with the helix. The proper connection is thusobtained. Terminals cups p and q connect with theV coil E and receivethe conductors to convey-the currents to the patient. There is a pair ofterminals, p p and q q, one of each kind being superfluous, except whenthe other gets out of order. The several wires above referred to are allindicated by dotted lines in Fig. 2. The intensity of the current isregulated by an adjustable magnetic piston or plug, H, placed within thecoil E, and movable therein so as to magnetize a greater or lesserportion of the same. l have provided three such plugs, H, I, and J, ofsuch various degrees of strength that, for diiferent kinds of diseasesor persons, the current can be regulated from a very low degree to oneof extreme power. pistons are contained in transverse sockets providedfor their reception in the block D. The conductors for connecting withthe electrodes are to be covered with iiexible non-conducting materialso as to be insulated throughout their length, thus avoiding theunpleasant burning sensation produced when a non-insulated conductor isbrought in contact with the body. The sponge-holder L is made of wood orother non-conducting material in forni of a cup, as shown in Figs. 3 and4, and receives a The surplus pin, r, for holding the sponge in placeand connectingwith the conductor. A spring-snap, S, I prefer to use as aconnection between the conductor and electrode, the same constituting areliable fastening, which, however, will be released when a violentstrain is brought on the conductor. The throwing down ot' the generatorand spilling ot' acids is thus prevented. The bath-cup I prefer to putinto another cup, M, slightly larger than A, to receive droppingstherefrom, and at the same time afford protection to the cup A. N is acase, of leather or sheet metal, of cylindrical form and open at thelower end. It is to be put over the entire apparatus, and hasperl'oratcd springs t t at the lower part, locking over pins u u, whichproject from the cup M. By means of a handle, V, on the case N, thewhole apparatus can thus bc carried in a convenient and compact form. Athird cup, O, may be used to retain the electrodes, conductors, 85o.,While transporting the apparatus, and is, in t-hat case, placed upon theterminals under the top of the case N. /Vhile using the device watermaybe put into the cup O for wetting the Sponges, electrodes, Smc.

Having thus described my invention, I claim as new and desire to secureby Letters Patentl. The bath-cup A, combined with the cover B, whichconstitutes one element, and with the other other element, C, suspendedtherefrom, as set fort-h.

2. The conibination, within and on the block D, of the coil E, rods b c,binding terminals p q, helix F, spring-armature Gr, and screw m, allarranged substantially as herein shown and described.

The adjustable magnets or plugs H I J ot' different strength, arrangedin the electromedical generator for producing` currents of suitablestrength, as set forth.

4. The case N, combined with the electric battery A and apparatus l) forinclosing, and provided with spring t for supporting the same, as setforth.

5. The sponge or cup-holder L, provided with the pin r, and arrangedsubstantially as shown and described.

6. The combination of the cup A, block D, cups M and 0, andinclosingcase N with each other, all arranged to operate substantiallyas herein shown and described.

ALBERT J. STEELE.

Witnesses:

T. B. Mosman, GEO. W. M'ABEE.

